The MA37 Individual Combat Weapon System, formally known as the Individual Combat Weapon System, Caliber 7.62 mm, MA37,[2] is the standard-issue service rifle of the UNSC Army. It is produced by Misriah Armory and is known as the MA5 by the Naval services.

Contents

The MA37 assault rifle is an air-cooled, gas-operated, magazine-fed, fully automatic bullpup rifle that fires 7.62×51mm ammunition and was first introduced in the year 2437.[2] It comes standard with a rail mounted ammunition indicator and magnetic compass for orientation unlike other MA5 series rifles, which have these features built in.

The MA37 features a grip with a notch for the finger, similar to A2 pistol grip on a 20th/21st century AR-15. The barrel features a flash hider on the end which appears to be designed to direct gas (which produces flash and noise) upward, rather than forward, which would help to reduce felt recoil and muzzle climb. The rifle features a cheek riser on the receiver. The MA37 also features an ambidextrous magazine release and an ambidextrous selector switch. The MA37 also features vents on the rifle's chassis near the barrel assembly, which facilitate air cooling of the barrel as the weapon fires.